Where does “самозабвенно” come from?

самозабвенно (Russian) comes from Russian самозабве́нный, from Russian самозабвение, from Russian само́-, from Russian сам, from Old East Slavic самъ, from Proto-Slavic samъ, from Proto-Balto-Slavic *sāmas, from Proto-Indo-European somHós — together, one.

самозабвенно (Russian): selflessly, self-forgetfully

Definitions

  1. selflessly, self-forgetfully

Ancestry of “самозабвенно”, step by step

StepLanguageWordMeaning
1Russianсамозабве́нныйselfless, self-forgetful
2Russianсамозабвениеselflessness, self-forgetfulness;...
3Russianсамо́-self-
4Russianсамself, -self
5Old East Slavicсамъself, oneself, alone
6Proto-Slavicsamъself, oneself
7Proto-Balto-Slavic*sāmas
8Proto-Indo-EuropeansomHóssame, alike
9Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem-Every word from Proto-Indo-European somHósEvery word from Proto-Balto-Slavic *sāmas